Giovannucci, Daniele, Pascal Liu, and Alice Byers. “Agregando Valor: Comercio De Café Certificado En Norte America”. Revista Ensayos sobre Economía Cafetera 25, no. 1 (January 1, 2009): 29–49. Accessed November 21, 2024. https://cenicafe.metarevistas.org/index.php/ecc/article/view/1193.